“Marry a gentle wife, build a south-facing house” — since ancient times, consulting home Feng Shui before building or buying a house has become an indispensable spiritual culture for Vietnamese people. Choosing a house that is compatible with your age will help the homeowner welcome vitality, attract wealth, and maintain family peace. Conversely, if this step is skipped, the living space may inadvertently fall into bad sectors, directly affecting the career and health of family members.
If you are confused by complex Feng Shui theories, let’s join N.N Realty to apply this extremely simple 3-step guide below. This is a comprehensive handbook to help you scientifically and quickly check home Feng Shui for yourself and your family in just a few minutes.
The significance of consulting home Feng Shui in daily life
Before going into the detailed steps, homeowners need to clearly understand the nature of this discipline. Many people often mistakenly believe that consulting home Feng Shui is a form of superstition. However, in reality, this is a comprehensive science that combines many elements: geography, astronomy, topography, wind direction, lighting, and human behavioral psychology.
Each person is born with a unique cosmic energy, also known as destiny. A house also has its own energy flow depending on the land’s orientation and space arrangement. The purpose of checking home Feng Shui is to find a way to harmonize these two energy sources optimally. When the house achieves a state of “Yin-Yang balance” and “favorable flow,” the people living inside will always feel mentally refreshed and enjoy family harmony, thereby having a solid foundation for career and wealth development.

Step 1: Determine the homeowner’s age and calculate the Destiny Number (Kua Number)
In the Eight Mansions (Bát Trạch) Feng Shui school (the most popular school when choosing land and house directions), selecting a direction must be based accurately on the Kua Number (Cung Phi) of the family’s breadwinner. Traditionally in Asian culture, the age of the male (husband, father) is used as the root. If the household lacks a male, it is calculated according to the age of the female property owner. A mandatory note is that the age used for calculation when checking home Feng Shui must be based on the lunar birth year.
To calculate your Kua Number yourself without needing to look up dense charts, apply the quick mathematical formula below:
- Add all the digits of your lunar birth year together until the resulting sum is a single digit (called the simplified number).
- Practical example: The homeowner was born in 1989, the calculation is: 1 + 9 + 8 + 9 = 27. Continue adding: 2 + 7 = 9. Thus, the final simplified number is 9.
After finding the simplified number, cross-reference it with the specific formula for Male and Female below to accurately determine your Kua Destiny:
| Gender | Mathematical formula for Kua Number | How to convert the number into the corresponding Trigram (Cung) |
|---|---|---|
| MALE | Take the number 11 minus the simplified number just calculated. (Specific example: 11 – 9 = 2) |
1: Kan (Khảm) | 2: Kun (Khôn) | 3: Zhen (Chấn) | 4: Xun (Tốn) | 6: Qian (Càn) | 7: Dui (Đoài) | 8: Gen (Cấn) | 9: Li (Ly). (If the subtraction result is 5, it automatically converts to the Kun trigram) |
| FEMALE | Take the number 4 plus the simplified number just calculated. (Specific example: 4 + 9 = 13 → 1 + 3 = 4) |
1: Kan (Khảm) | 2: Kun (Khôn) | 3: Zhen (Chấn) | 4: Xun (Tốn) | 6: Qian (Càn) | 7: Dui (Đoài) | 8: Gen (Cấn) | 9: Li (Ly). (If the addition result is 5, it automatically converts to the Gen trigram) |
Step 2: Determine the compatible direction group (East Group or West Group)
After getting the specific Kua Trigram name from Step 1, you can easily classify which of the two major Feng Shui groups your destiny belongs to. This is the core key that real estate experts use to advise clients to consult home Feng Shui before finalizing a land deposit.
East Group (Đông Tứ Mệnh)
- Includes the trigrams: Kan, Li, Zhen, Xun.
- Corresponding compatible house directions (East Mansion): East, South, North, and Southeast.
West Group (Tây Tứ Mệnh)
- Includes the trigrams: Qian, Dui, Gen, Kun.
- Corresponding compatible house directions (West Mansion): West, Northwest, Southwest, and Northeast.
Immutable golden rule: People belonging to the East Group must live in houses facing the East Mansion directions. Conversely, people in the West Group should prioritize houses facing the West Mansion directions. If you choose the opposite, home Feng Shui indicates that you are inviting conflicting, unlucky energy flows into your career.

Step 3: Consult home Feng Shui through 4 Good directions and 4 Bad directions
When we place the I-Ching compass to consult home Feng Shui, the combination of the homeowner’s Kua destiny and the house’s geographical direction will generate 8 different energy flows, divided equally into 4 auspicious directions (Great Fortune) and 4 disastrous directions (Great Misfortune):
4 Auspicious Directions bringing good luck (Homeowners should prioritize)
- Sheng Chi / Success (Best position): This is the sector governing wealth, reputation, and vitality for business paths, helping the homeowner’s career develop remarkably and advance rapidly.
- Tien Yi / Heavenly Doctor: The sector governing robust health, mental clarity, eliminating diseases and disasters, and especially always having helpful benefactors in life.
- Yan Nian / Harmony (Longevity): Governs stability, family harmony, peace, strong romantic relationships, or enduring external social and market relationships.
- Fu Wei / Stability: Brings the energy of peace, luck, academic success, and keeps the homeowner’s spirit steady through any storms.
4 Disastrous Directions bringing risks (Homeowners must absolutely avoid)
- Jue Ming / Total Loss (Worst sector): Causes unexpected disasters, severe financial ruin, making the homeowner prone to bankruptcy, shortened lifespan, or chronic illnesses.
- Wu Gui / Five Ghosts: Easily causes household members to get involved in scandals, lose property for unknown reasons, experience business hurdles, and frequent internal conflicts.
- Liu Sha / Six Killings: Marital breakdown, family unrest, easily entangled in legal disputes, lawsuits, or traffic accidents.
- Huo Hai / Mishaps: Makes life full of unfulfilled wishes, fatigue from petty matters, and a lack of luck in major decisions.

Application of arranging functional rooms according to the homeowner’s age
Once the overall house direction is clear, the next step when implementing home Feng Shui is designing and arranging the interior space. Experts always apply the classic principle of “Sitting on the bad, facing the good” (Tọa hung hướng cát) — meaning placing secondary structures in bad sectors to suppress and burn away foul energy, but the front of the room or control knobs must face the homeowner’s auspicious directions:
- Main Door (Đại môn): Likened to the mouth of the house to intake energy. When consulting home Feng Shui, the main door must open towards the Auspicious directions (prioritizing Sheng Chi or Tien Yi) according to the breadwinner’s age to welcome the most prosperous energy flow.
- Living Room: Should be placed in the front half of the house, near the main door. This space needs to be airy, full of natural light, and belong to good directions so vitality can easily circulate to other rooms.
- Kitchen: Arranged precisely according to the “Sitting on the bad, facing the good” rule. That is, place the entire stove platform and sink in a bad direction (like Wu Gui, Jue Ming) so the kitchen’s fire burns away bad luck, but the kitchen door (or gas stove knobs, induction cooker front) must face the Good direction of the homeowner.
- Bedroom: The bed is where people regenerate energy after a workday. The headboard should be placed in a good position and face Tien Yi or Sheng Chi to bring deep sleep without experiencing sleep paralysis or waking up tired.
Remedies for houses with incompatible directions
Many homeowners, when consulting home Feng Shui for pre-built houses, often fall into a state of anxiety when discovering the house’s direction falls into bad sectors like Huo Hai or Liu Sha. However, Feng Shui is always flexible and has scientific remedial solutions to balance the energy flow:
- Using the kitchen direction to suppress: This is the most common method. If the house suffers from the Jue Ming direction, you can turn the kitchen towards Tien Yi to counter it. If the house suffers from Wu Gui, a Sheng Chi kitchen direction will help resolve it completely.
- Using Feng Shui items: Hang a convex Bagua mirror in front of the main door to reflect bad energy flows, or use natural quartz stones inside the living room to increase the house’s Yang energy.
- Changing the secondary door direction: Frequently use a secondary door or large windows located in good directions to guide vitality, limiting the opening of the main door if it falls into a disastrous sector.
Conclusion
In summary, consulting home Feng Shui by age is entirely a highly practical scientific method, helping to optimize the living space to suit each homeowner’s personal bio-energy. A house meticulously calculated for Feng Shui not only brings psychological peace of mind but truly creates a healthy living environment, catching the wind, and gathering perfect energy.
If you are looking for an apartment, townhouse, or land plot with scientific architectural design, standard Feng Shui, and transparent legalities in the Ho Chi Minh City area and surrounding provinces, contact N.N Realty today. Our rich and diverse real estate portfolio always features a full range of products in both East Mansion and West Mansion directions, ready to accompany and support you on the path of “settling down and thriving,” building a sustainable future!